Configuring the modem interface System Network
FortiGate Version 4.0 Administration Guide
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6 Go to Router > Static and set device to modem to configure static routes to route
traffic to the modem interface.
See “Adding a static route to the routing table” on page 284.
Adding firewall policies for modem connections
The modem interface requires firewall addresses and policies. You can add one or more
addresses to the modem interface. For information about adding addresses, see
“Configuring addresses” on page 347.
You can configure firewall policies to control the flow of packets between the modem
interface and the other interfaces on the FortiGate unit. For information on configuring
firewall policies, see “Configuring firewall policies” on page 323.
Connecting and disconnecting the modem
To connect to a dialup account
1 Go to System > Network > Modem.
2 Select Enable USB Modem.
3 Verify the information in Dialup Accounts.
4 Select Apply.
5 Select Dial Now.
The FortiGate unit dials into each dialup account in turn until the modem connects to
an ISP.
To disconnect from a dialup account
1 Go to System > Network > Modem.
2 Select Hang Up to disconnect the modem.
Checking modem status
You can determine the connection status of your modem and which dialup account is
active. If the modem is connected to the ISP, you can see the IP address and netmask.
To check the modem status, go to System > Network > Modem.
Modem status is one of the following:
A green check mark indicates the active dialup account.
The IP address and netmask assigned to the modem interface appears on the System
Network Interface screen of the web-based manager.
Note: The modem must be in Standalone mode before connecting or disconnecting from a
dialup account.
not active The modem is not connected to the ISP.
connecting The modem is attempting to connect to the ISP.
connected The modem is connected to the ISP.
disconnecting The modem is disconnecting from the ISP.
hung up The modem has disconnected from the ISP. (Standalone mode only)
The modem will not redial unless you select Dial Now.
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